Slitting and rewinding machine



Aug. 28,' 1923.

J. A. CAMERON ET AL SLITTING AND REWINDING MACHINE Original Filed Dec. 9. 1916 l0 Sheets-Sheet 1 Aug. 28;V 1923,.

13165934 .1. A. CAMERON ET AL SLITTINGI 'ND REWINDING MACHINE Original Fi1-ed.Dec.9, '1916 1o sheets-Sheet 2 SH01/Mam Aug. 28, 1923. 1,465,964 J. A. CAMERON E'r AL SLITTING AND REWINDING MACHINE original Filed Dec. 9. 1916 1o Sheets-s`heet s @513% SHO/a Meli Aug. 28, 1,923.

J.'A. CAMERON ET AL SLITTINGAND REWINDING MACHINE 191.6 10 Sheets-Sheet 4 Original Filed Dec. 9,

Aug. 28, 1923.

J. A. CAMERON ET AL .SLITTING AND REWINDING MACHINE Original Filed Dec. 9, 1916 10 Sheets-Sheet 5 Swan/tou Aug. 2s, 1923. 1,465,964 J. A.i CAMERON ET Al.

SLITTING AND REWINDING MACHINE Original Filed Dec. 9, 1916 l0 Sheets-Sheet 6 l 45 l l q n lf# *s 1 ff 2, 76 1l .A l l i l I l Aug. 2s, 1923. 1,465,964

J. A. CAMERON ET AL SLITTING AND REWINDING MACHINE Original Filed Dec. 9, 1916 lO Sheets-Sheet '7 Aug. 2s, '1923.

` J. A. CAMERICN ET AL SLITTING AND REWINDING MACHINE Original Filed Dec. 9. 1916 l0 Sheets-Sheet 8 Wam Aug. 28, 1923. 1,465,964 .1. A. CAMERON ET AL SLITTING AND REWINDING MACHINE Original Filed Dec. 9, 1916 10 Sheets-Sheet lo S nuovi/Cow Patented Aug. 28, 1923.

UNITED STATES PATENT OFFICE.

JAMES A. CAMERON AND GUSTAEl BIRGER BIRCH, OF `BROOKLYN, NEW YORK, ASSIGNORS TO CAMERON MACHINE COMPANY, OF BROOKLYN, NEW YORK, A

CORPORATION OF NEW' YORK.

SLITTING ANI) REWINDING MACHINE.

Application filed December 9, 1916, Serial No. 135,947.

and Iieivinding hlachines, ot' which the t'ol-Y lowing is a specification.

This invention relates to slitting and reivinding r-:achines generally and in particular to slitting and reivinding machines oi the surface rewind type.

In the art of slitting and reivinding sheet material heretofore practiced, machines oit the surface rewind typen of which that shown in Patent No. OTGJSQ is an example, have been constructed to ope ate successfully on rolls ot' material ot' medium size. Dillieultj.'` hovvever. has been experienced in adapting these machines to handle the massive mill rolls that are being produced in constantly increasing sizes as the art otl manufacturing such material is developed. rllhese ditliculties have taken various iorins. One ot them has been the iinpossibility. with the type ot top pressure roll mechanism hereto'lforc used. ot mounting the rcvfinding apparatus on a low vtraine to thereby secure stability ot the rewound coil supporting means and `facilitate tho rcmoval oi1 the finished coils.

iinothcr serious dil'lieulty has been the failure to produce a machine with a web dcflccting roll ol sul'iicient rigidity not tobend under the enormous strain attendant upon drawing the web trom the larger' mill` or web, rolls. Furthermore it has not only been diflicultto overcome the inertia ot the mill roll and start it into rotation` but, on the other hand. it has also been ditlicult to check its rotation aiter it has been started and prevent the ivzseilinl unwinding o'l3 a great length ot web when the operation ol.: the machine. iras stopped. Another di'lliculty connected with the use ot large and cumbersome mill rolls has been the question ot longitudinally adjusting the mill roll .in its support to properly align the iveb ivith the cutting mechanism. It has also been Found that with certain materials, it has sometimes been di'l'licult to rotatethe cutting Rcnewed January 13, 1922. Serial No. 529,097.

discs at a suiliciently high speed to insure a perfect slitting' of the web.

The main 'object of this invention is to provide a slitting and rewindng machine in which these and other difiiculties have been overcome, and which is particularly adapted to operate on rolls of material oi maviumm size with a consequently greatly increased output.

The invention consists further in providing a slitting and reivinding machine in which the roll around which the slitted web is deiiected as it is draivn through the machine to the rewound coils is of such a relatively large size as not to bend under the resisting pull of a mill roll of the largest size. The large size of the deiecting roll not only adds to its rigidity but, in addition, a large area of Contact on the roll is applied to the surface of the `Web so that the speed of travel of the web and, to a great extent,

the ieeding ot the Web through the machine,

is controlled by this roll. In one form ot' the invention the large delecting roll serves also as a reivound coil supporting and rewinding roll, but in another embodiment of thc invention, this roll is so mounted as not to perform a supporting or rewinding function and serves solely to guide and draiv the web through the machine. In either ot' these forms ot' the invention the cutter roll is preferably driven at a higher peripheral speed than that ot' the large deflecting roll and` consequently, than the speed ot' trarelfol" the iveb. The invention consists also in the provision oit means for controlling the rotation and the longitudinal placement ot' the mill roll shaft. Other features ot the invention will be referred to as the description proceeds. d

In the accompanying drawings there is illustrated a preferred embodiment oi the invention, but it is to be understood that the invention may be carried out by other embodiments and by mechanism Widely ditit'erent trom that selected for illustration.

In the drawings, in which like reference characters are used to designate like parts throughout the several views,

Figure l is a side elevation of a machine embodying the invention.

Figure 2. is a vertical transverse sectional view of the machine looking upward from the line 2 2 in Figure 5.

Figure 3 is a` side elevation of the machine taken` from the side opposite that shown in Figure 1.

Figure 41. is a plan View partly in section of the end of the. machine which lis shown in elevation in Figure 1.

Figure 5 is a plan view partly in section oi' the end of the machine which is shownl Vthe line 7 7 oit Figure 6 andl showing the clutch drive.

Figure 8 isa sectionalv View taken along the line S*8. in Figure 7 and showing the manner of mounting the friction rings ol.

the clutch.

Figure 9 an` enlarged vertical section taken through the main (ilriving clutch along` the line 9--9 ot Figure i.

Figure 10. is an enlarged horir/iontal` sec tion taken along t-he line Vttl-10 :lf Figure 3 and Showing the manner of mounting` an end. of thev rewind shaft.

' Figure 11 is a vertical transverse section taken along the line. 11-11 of Fioure 1 and showing the braking and dus g, mechanism for, the mill roll. shalt, and `the web spreading4 device. i

Figure 12 is a detail View. partly in section showing the shaft coupling means used be.- tween the mill roll and brake shaft.

Figure 13 is an enlarged vertical section oi a part ot the machine showingv a modified form ofy arrangement for the cuttingA mechanism.

Figure 1li is View with parts broken away looking substantially along` the line 1.1-14 oi? Figure 13 and showing the side framework in section andl thev cutter` supporting means in elevation.

Figure 15 is a detailed sectional view showing a niodilied arrangement or' the slitting and rewinding mechanism. in which the large web detleftinnv roll is not in supporting engagement with the rewound coi-.ls`

In the particular embodiment of the invention chosen for illustration. there is shown a slitting and rewinding machine o't the type in which the rewoundi coils are SluipoL-ted` and; driven by their peripheral surface. engagement with a pair ot rewinding. roll-s. TheseA rolls rotate inl the same direction and preferably co-operate with a third. rewinding roll pressingv on the. top of the rewound; coils and thereby .rotate the coils and cause the slit ed material to be wound-thereon. One. of the supporting rolls of the surface rewinding mechanism just described preferably serves as cutter. roll for the cutting discs of the slitting mechanism as in Patent No. 1,076,189, already referred to.

In the preferred embodiment of the invention herein illustrated, the rewinding mechaisin comprises the rewinding` and supportA ing` rolls 1 and 2 upon which the rewound coils are directly supported. Airewind shaft 4. forms a core 'tor-the rewound coils and is so mounted in the machine that it is tree to rise as the diameter oit the coils increases. The rewinding` rolls 1 and 2 rotate in the same direction and preferably cooperate with a third rewinding. or riding pressure roller 5 vpressing on the top ol the rewound coils so that the rewouud coils il are in effect gripped between the oppositely acting supporting rolls 1 and 2, and the top pressure roller 5, and thereby rotated to cause the slitted material to he wound thereon. Y

In the patent heretofore referred to the web slitting. mechanism is shown as including cutting discs which ':o.-o] )erate with the front rewinding roll from. which (he web passes directly to the rewound coils. A. slitting mechanism having this. generali arrangement is also shown in Figure 13 oi the drawing in this case. In the,emliodimcnt ot the slitting mechanism which is bc t shown in Figure 2 oit the. drawing the rea.-` rewind! ing roll. 1, and not. the relatively larger front rewinding roll 2, employed as. a cutter roll. (lo-operatingy with the cutter rol-l 1 are the cutting discs 7 which slit. the. web SR as it passes trout the milli roll S over the guide roller 9 and tensioning device 1 0 on its way to the rcwindingV mechanism. ln the embodiment ol the invention shown. in Figure 15 the front rewinding roll f2. which in this case is equal in. size to th(` rear rcwindingV roll 1, employed as the cutter roll and a special web dctleling, or breast. roll 191, which relatively larger than the rewinding rolls 1 andV is mounted out o'f contacting relation with the rcwound coils.

The cutting discs 7 as shown in Figures i 13 and 14, are preferably journaled in .ha 11 which. are in turn mounted in channels 12 in the spacing members and adapted. to rock therein about the tulcrums 1.4.1` The spacing members are adapted to. hc. moved along the head of the supporting. meznber 15 and. to. be rigidly clai'ifiped in any desired position thereon by means` oft the thumb screws 16. The base ot thc supporting mein-v ber` 15 is sl-idahly supported in brackets 17 firmly clamped to the stay rodv 18 which 0X-- tendsV across the machine. An eccentri.H shatt 19 also extends across the machine and is provided with reduced bearing portions 17 which are journaled in the brackets 17 and in the framework at the` sides of the machine. Theniember15hearsthro l wear. pieces :2O against the eccentric.

whereby when the shaft is rotated the meinber 15 will be raised or lowered to move the cutting discs T into or out ot engagement with the cutter roll 1. In order to manipu-v late the eccentric shaft 19 a sgiral gear 2l provided on the end et the shalt which meshes with a spiral gear mounted on a rod 23 which terminates in the hand wheel Q11 at the front ot' the machine as shown in Figure 1 of the drawing. fr locking .screw ST serves o hold the parts in sel: position..

The cutting discs l' are preterably resiliently pressed against the cutter roll through the action ot the leal springs 25 which are mounted in the cutting disc supporting bars 11 and bear at their extended extremities igainst the abutment beam Q6. rlhe beam 26 is preferably so mounted that it can be withdrawn bodily out ot' engagement with the ends oit' the springs For this purpose the top ot' the beam QG is adapted to slide along` the lower surlace ot the lugs 27 projecting 'trom the brackets QS. l rack 2f) carried by the beam Q-' meshes with a pinion 30 and provides a means for moving the beam. A guiding lug 31 carried by the beam cooperates with the roller 2Q to hohl the beam in sliding engagement with the under surface of the lng QT. The pinion 30 is mounted on a stub shatt 33 which carries at its outer end a hand lever Bel as shown in Figure 1 by means of which the sha'lt and pinion 30 can be rotated and the beam 26 thereby moved to tree the ends ol the springs Q5. whereupon the critter' disc bars 11 can be lit'ted out ol the spacing members 13. A pawl 35 (zo-operates with a ratchet B6 on the stub shaft 33 to lock the shatt and pinion 8O and thereby hold the beam Ztl in spring engaging position.

In the torm ot machine shown in the pat-- ent referred to. the rewinding roller which is used to apply pressure to the upper surtace oi the rewound coils is mounted in a lirznnework which is provided with downwardly extending guide members which are adapted to move vertically with the roller supporting framework. This torni o'l, mounting gives very satistactory results with a machine having a high 't'raxneworli such as is shown in the patent. in `which ample space is provided t'or the downward extension of the guide members. ln the present invention. however, one ot' the objects is to provide a machine having a low trame and to accordingly devise a vform of nounting in which downwardly extending guide members are not used. To this end the top pressure roller 5 is preferably journaled at the ends in the carriages 37 which are rigidly connected by means of the beam G1 which extends trom side to side ot the machine tor this purpose as shown in Figures Q. 4 and 5` ln lieu ot the downwardly extending guide members ot the patent the carriages in this instance are provided with guide rollers 55S which engage and travel along the stationary vertical guide posts 39 as the pressure roller 5 is li't'ted in accordance with the increasing diameter ot the rewound coils.

The posts 39 iorm a rigid part ot' the framework ol the machine and serve to support the head pieces et() to which tie rods eX tending across the top oli the vtramework may be attached. Additional guide posts e1 extend through the tramcwtn'k ot the carriages 3T and serve as sliding ways tor the Ll-shaped guide members 4t2 which direct the vertical movement o't the rewind shalit 4 as the rewound coils 3 increase in diameter. Horizontal movement of the rewind shalit is prevented by the downwardly extending lugs 13 carried b v the guide members 42 and between which the reduced ends il of' the shatt tare held. The guide members l?. are preferably made in sections which are clamped together as shown in 1Figure 10, and are preferably adapted to be locked in an elevated position by means ot the thumb screws 194.

lt has been 'found in practice that the rewound coils can be most eliectively built up it the rewinding roll 1 and the pressure roller 5 are rotated at a higher peripheral speed than the peripheral speed ot the rewinding and supporting roll 2. It has also been Found that the slitting operation is facilitated by providing Ytor the rotation ot the slit ting dises at a peripheral speed at least equal to the speed ot travel o'l" the web. ln order to insure the rotation ot the slitting discs 7 at the required speed they are preferably arranged to co-operate with the rewinding roll 1 as shown in Figui-e2` which. as has been stated. rotates at a higher peripheral speed than the peripheral speed oi the rewind roll 2 which determines the speed ot travel ot the web. The engagement ot' the discs 7 with the cutter roll 1 serves to rotate the discs at a peripheral speed at least equal to. and preferably slightly higher than` the speed ot. travel ot the web Si? and results in a more effective operation ,ot the slitting discs 7, since thev are. thereby caused to sever the material with a sliding cut instead ot' merely pressing their way through it. The effectiveness ot the lslitting operation is still t'urther increased by mountingl the discs 7. not directly at the point ot tangcncy ot the stretch ot the web with the cutter roll 1. but offset somewhat 'trom this point toward the direction 'troni which the web is moving so that the web is put under a certain amount ot tension by the direct engagement therewith o'l the slitting discs as it passes over the discs on its way to the cutter roll 1.

It will be seen that the pressure exerted by the slitting discs against the web will have a tendency to initiate a cutting operation which can' then more easily be completed when the Wel passes between the points ot engagement of the disc 7 and the cutter roll 1.

It will be noted that, in the torni ot the invention shown in Figure 2, the liront reivinding roll 2 has a greater dian'ieter than has the roar reu'inding end cutter roll The purpose of this is to secure a suilicient degree oi' rigidity of this roll so that 1t n'ill withstand the enormous strain put upon it in unwinding` the web from tl e larger millrolls and particularly in starting the mill rolls .from a condition oit rest. lt Will. be noted that both of the reivinding rolls l and 2 and also the riding` roller 5 all play a part in the reivinding and consequently in the teeding oi the neb through the machine. This function, however, is mainly carried out by the large Yliront rewinding roll 2, just referred to. In addition, thereitfore, to the increased rigidity of the roll secured by the enlarged size, another itunction is secured, and that is the increased capacity oli this roll to govern the travel oi the web because of the enlarged area oi suriiace in direct contact with the ivob. lt ivill be seen that by means ot this large area ot' Contact the roll 2 is enabled to exert sullicient 'friction on the web to insure that it will be uniformly and positively `led through the machine at a speed equal to vthe peripheral speed ot the roll.

In the arrangement of the cutting and. re Winding' mechanism` shoxvn in Figure 15, the rear reivinding roll 1 and the liront reivinding roll 2 are preferably oit the saine size and the front rewinding roll is utilized as a cutter roll. ln Aorder to utilize the "rfront roll as a cutter roll and at the same time to rotate the cutter roll and the cutting discs at a relatively greater speed than the speed of travel of the web, in this inodifr cation an enlarged driven breast roll 191. out of engagement with the reivound coils but adjacent the front roll 2 is made use olf. The function oit the ylarge breast roll 1.91. is substantially the saine as that oit the large rewinding roll 2 ot Figure 2, that is, to guide and draw the web through the ma chine. In this arrangement, however, the large roll. is relieved of the rewound coil supporting function which is characteristic of the large roll 2 of Figure 2. In this ar rangement as in the arrangement of Figure 2, the speed of travel o1fr the web is determined by the speedoli travel oli the. large roll.. In Figure 1F, however, the speed ot peripheral travel of four, instead of three rolls, is progressively increased. That is, the peripheral speed of the breast roll 191, which is the speed of travel o1z the web, is at a certain rate; the peripheral speedof the front reivinding 2, which governs the speed of the cutter discs?, slightly groate-u'jT the peripheral speed of the rear reivinding coil 1 is still greater; and the peripheral speed oli the riding roller 5 greate t all. Thus, a speed ot rotation et the cutter discs greater than the speed of travel ot the web is attained, and the progressively increasing speeds Of the rewinding rolleis insures a hrmly Wound set, Ot reivound coils as has al-v ready been explained.

Owing lo the larrer size and consequent great momentum oli the moving parts in a machine oli' this type7 a braking mechanism is preferably provided 'which is readily accessible tor manual actuation by the operator. This mechanism as shown in Figures 3 and 9 includes a brake shoe 121 which is pivoted on a stud 122 on the tran'ieivork and is adapted to trictionally engage the periph ery of the ily .vheel 96 to thereby bring the driven parts to a stop. The brake is preferably brought into operative position by means of a hand lover 123 also pivoted on the stud 122 and carrying a thrust transmit ting member 124 adapted to bear directly against the brake shoe 121. The member 124 is preferably yieldingly mounted in a socket 125 in the lever 123, the spring 126 being arranged to permit the member 121 to yield When an excessive degree oit' force is offered to the brake lever 123. In order to hold the brake mechanism normally inoperative, a spring 127 exerts pressure on a rod 128 which is connected with a stud 12S) projecting from the brake shoe and acts to Withdraw the brake shoe from engaging position when the lever 1253vis released.

` In Athe practice oit the invention it is desirable to provide means that n'ill copperate with the mill roll to produce a constant tension on the Web to thereby overcome any tendency that the rotating roll n'iight have to momentarily increase its specdiarul` by producing a slack stretch in the web, inter- Aliere With the operation olf the device. The provision ot such tensioning moans especially desirable in handling mill rolls of the larger sizes. It is equally desirable that a braking mechanism be provided which will stop the rotation ot the mill roll, and thus` prevent the unv'inding ot a great length ot web, when the operation oit the machine is stopped. An example oit a combined tensioning and braking mechanism is shown in Figures 1, l and 1.1 ot the drawing and takes the 'lorm ot a band brake comprising a pulley or movable member 120, the periphery ot which is adapted to be trictionally engaged by the brakeband 181. The brake band is attached to stop members 132 at the lower side of the pulley which engage opposite sides a tie rod 133 to hold the brake hand 131 stationary and prevent its being carried. about with the rotating pulley. The brake hand is .normally setso` to grip the pulley with till suiicient force to maintain the web under tension. 1n order to pull the ends ot the brake band toward each other to thereby cause 'the band to grip the pulley with suiicient 't'orce to stop the rotation of the roll, that end of the band which passes over the right-hand face ot the pulley in Figure 1 et' the drawing' is secured to cross bar 1311 having its ends mounted in slots 135 in the side members 13 oit' the Vtrame designated generally at 13T. ilie other end ot' the brake band is seemed to the rock shat't which passes through the slots 135 and has the cams 139 mounted on its ends outside the 'tranie members 136. The cams 139 engage the shoulders 110 on the trame when the shaft is recited and 'force the rock sha'lt 13S and the cross bar 134; toward each other in the slots 135 and consequent-ly pull the ends ot' the band toward each other to thereby cause the brake band 1231 to grip the pulley with sufficient Jr'orce to stop its rotation.

It is desirable provide a single actuating means lor both the brake mechanism otthe slitting and rewinding machine proper and the brake mechanism which is especially provided tor the mill roll sha lt. To this end the roel; shatt 138 which rotates the cams 139 to pull the brake band ends together has an arm 141 lixed to one end thereof which is connected through a rod 142 with a corresponding arm 113 rigidly carried by the rock shaft 114 extending across the machine. The rock shaft 141 thus serves as a medium for connecting the hand lever 123 -ot the main machine brake 121, through the arm 1-l5 and link 1&6, with the mill roll shaft controlling brake band 181 at the opposite side ot' the machine. A weight A18 carried by an arm 111i' on the rock shaft tends to move both the braking mechanism to inoperative position and supplements the action ot the spring 127, already referred to, in securing this 'tunetion.

In order to effect the control ot the interchangeable mill roll shalts through the tensioniug and brake mechanism, means are provided it'or coupling` the mill roll shafts to a brake sha'lt on which the braking mechanism is permanently mounted. The mill Vroll shaft 155 tarrying the roll of material is adapted to be lifted into place iu the bearings 15T formed in a roll supporting framework 19T. Means are provided For locking the end ot the mill roll shaft opposite the brake, in place in its bearing and takes the form ot' a pivoted latching mem-- 'ber 158 which is adapted to be secured in its latching position by means oi the removable pin 159 as shown in Figures 2 and 3 of the drawings.

The mill roll shaft 155 is preferably adapted to be coupled to the shaft 160 on which the tensioning and brake mechanism is mounted through a coupling head 161 carried by the brake shat't having a slot 162 cut diametrically across the face thereof. fr coupling` member 163 carried by the end of the mill roll 155 has a projecting tongue 16e-` arranged diametrically across its face which is adapted to fit into the slot 162 of the brake shaft head 161. The tongue 164 has notches 165 cut intermediate its ends with which the inwardly extending lugs 166 carried by a locking ring 167 rotatably mounted on the brake shaft head 161 are adapted to engage to lock the tongue 16eL against removal from the slot 162. A groove 168 in the coupling head 161 receives the inwardly projecting lugs 166 of the locking ring and not only prevents the removal of the ring lrom its head but also provides for the rotation ot the ring into and out el locking position.

In order to var f the gripping effect of the tensioning device in accordance with the requiren'ients ot' dill'erent mill rolls, provision has been made for adjusting the length of the oap which normally separates the ends ot the bralte band. This adjusting means is best shown in Figures 1 and 4 ot' the drawing and comprises a screw 149 which is threaded through a seat 150 in the trame 13T and can be manipulated to move the cross bar 131 toward and from the other cross bar 15S to thereby vary the gripping action ot the brake band. Preferably interposed between the cross bar 134 and the band end which it carries, and the end of the screw 149, is an abutment member 151, slidably mounted on the iframe 137 and adapted to transmitthe longitudinal movemeut ot the screw to the cross bar 1341. In order to turn the screw 14:9, a hand wheel 152 is provided which operates the screw 119 through the shaft 153 and universal joint 15a, the universal joint providing for the longitudinal adjustment of the mill roll shaft. The hand wheel 152 is adapted to tilt horizontally about the edges 156 to allow for the lateral movement of the brakeengaging end thereof. It will be seen that a combined tensioning' and brake mechanism has been provided which can be adjusted to exert any desired tension on the web during the operation ol the machine, and can in addition be manually actuated as a brake to stop the rotation of the roll at the will of the operator.

Because of the difficulty of mounting a large and heavy mill roll in correct lateral relation to the operating mechanism, means have been provided for laterally adjusting the mill roll after it has been put in place in the bearings 157. This mechanism comprises a rack member 169 mounted on the shalt 1.60 and adapted to give a longitudinal movement thereto in the bearing 170.

A pinion 171 meshes with theraclr 169 and is'driven from'a sprocket 172 through chain 17 3 and sprocket 174. The sprocket 174 is in nturn operated through the shatt- 175 by means ofthe hand wheel 176. lt will be seen that by 4this construction the mill roll shaft '155thrfough` its connection with the brake 'shaft 160 can bemoved along its axis toadj'list the position ot the mill roll in its lateral relation to the machine. y

describing the rewinding mechanism which acts on the upper surface 01"' the rewound coils 4itwas pointed out that station ary vertical guide y'posts Le9 were provided along A*which thepressure roller supporting carriages"37 were adapted to travel. lt is essential` that the pressure roller be held in a constantly 'parallel relation to the rewind flfiit iniorderto exert a uniform pressure from end to end ot" the rewound coils. in order to etllectthis one of the guide posts 39. at'each side ofthe machine has been pron vided with rack teeth fillV with which mesh pinions lrigidly mounted on a shaft 4:6 whiclrextends from one'side oil the machine to theother and is journaled in the carriages 37. It willbe seen that by this construe-tien any rotation of either pinion will be directly transmitted to the other so that the pinions must always rotate in unison and thus 4mz'tintain the parallel relation to the pressiire roller and the rewind shaft.

ln rorde1 `t o regulate the pressure Xerted by the jpressure roll 5 in accordance with the requirements of different classes oi" material, counterweights are'proif'ided comprising receptacles et( carrying the weights 4S and vadapted to slide on the posts 4-9. Chains or other flexible connections pass from the counterweights over the sprockets il fand 32 in the members il0 vand are attached at r" to` the carriages 37. The

di) sprocket 52 is preferably'lfast to its shaft 54 and avsecond sprocket 55 also attached to the shaft 54. can be manually operated through the flexible connection 5B leading to a'sproclret 57 attached to the hand wheel 58. yA 'pawl 59 co-operates with a ratchet (SO tohold thepressure roller 5 in any desired elevated position. The provision ot the means Afor manually liiting the pressure roll out of engagement `with the rewound coilsmalie itpossible to lift the pressure roll out ol`A the way when' a filled rewind shalt is lio be removed. I

In order to make the most effective use oit the pressure roller 5 means are preferably provided lfor driving this roller independently of its peripheral engagement with the rewound coils as in the patent already referredto. The driving mechanism as shown in Figures 1,16, 7 and 8 of the drawing` includesabevel gear G2 on the end oll the pressure roll shaft which meshes with an-A other bevel gear 63 journaled in a bearing carried by one oit the carriages 37. A splined vertical drive sha'lt 64 journaled at its lower end in a bracket 195 carried by the :trameworh and at its upper end in a bearing 196 on the-trame member-40 has the bevel gear G3 mounted to slide longitudinally thereon and is adapted to drive the mitre gear 63 in any position which the pressure roller may take because ot' the changing diameter ol the rewound coils. A bevel gear 65 mounted on the lower end oli the splined shalt 6e meshes with the bevel gear 66 trom which the splined shaft and riding roll is driven.

lt has been found desirable to rotate the pressure roller 5 at diii'erent speeds in order to most ellectively rewind dil'lerent materials and generally the riding roller is driven at a 'faster peripheral speed than that ot the rewound rolls in order to lirmly wind the rewound coils. In order to change the speed ot the riding roller to suit dilferent condi tions, a slip driving connection is provided which preferably taires the form or' a liriction clutch stationarily mounted on the framework constituting the base oi the machine, and comprising the bevel gear 66, which constitutes the driven member, the positively driven rings 67, the Vfrictionally driven rings (S8, and the driving member 6l). The driving member 69 provided with studs 70 which engage slots 7 1. in the edges oi' the rings ('37 in order t0 positively drive these rings. The rings (S8 are smaller iin diameter than the rings G7 so that they are not engaged by the studs 7( but are driven solely by their lirictional engagement with the positively driven rings 67 in a well known manner. The rings G8 are preferably fitted to the hexagonal hub 196 o'l the bevel. gear G6, so that the hub and rings are constrained to rotate together.

The driving member G9 Arotatedv through a spline connection at 72 with the sleeve 723 on which the gear 741 1Keyed at 7C. '.lie gear 7i meshes with and is driven troni a gear 76 on the end ot the feed roll 2. Ball bearings 77 are provided for the various moving parts oit' the slip driving connection and the stud shaft 7 8 on which the parts are carried ha. a hollow center 7S) and openings 8O through which lubriant can be toi-ced to the bearing surraces by means et the tol lower 8l, threaded in the end. ot the cored sl ait 78. Perforations 82 Vin the sleeve 73 si ve lto convey the lubricant to the exterim' surface ol the sleeve.

le hand wheel S3 can be adjusted to carry the pressure exerted by the compression spring Se which acts against an abutment member S5 andthrough the driviiig n'ieinber le to control the degree oili' friet-ion exerted by tl i, rings G7 and 68. A. second hand wheel s to loclr the hand wheel 03 in any adjusted position. It will be seen that the Iii lll

ill)

gear 74, sleeve 7 3 and the driving member 69 of the slip connection are so keyed together that they rotate in unison, and that the driven member 66 may be driven at any desired speed less than the speed of the dr' 'en member G9 in accordance with the eltectiveness of the 'trictional contact between the rings 67 and G8, as Vdetermined by the position of the pressure adjusting hand wheel 83. The speed ot the pressure rewinding roller 5, therefore, can be Varied to suit the character of the particular material being operated upon.

In handling webs ol great width ditiiculty has been experienced in keepingl the web taut from edge to edge and correspondingly tree from wrinkles. To obviate this dit'- ticulty a horizontal spreader bar 10, shown in section in Figure 2 and in elevation for a portion of its length in Figure 11, which is adapted to be bowed upwardly against the under surface ot' the web, is employed. In order that the spreader bar 10, which is preferably made ot resilient and flexible metal, may be adjusted to dilerent curvatures to conform to the requirements oi dit'- lerent materials, means are provided tor bending the bar into the form required. Each end ot the spreader bar 10 has a slot 177 therein which provides it`or longitudinal movement OtI4 the end portions ol the bar with relation to the hand screws 178 on which they are supported. rlhe hand screws 178 can be turned in the threaded portions 179 ot' the brackets 180 to raise or lower the ar engaging nuts 182 on the upper ends of the screws and thereby determine the height of the end portions ot' the spreader bar. The locking screws 18? pass through the brackets 180 and are adapted to bear against the stay bar 18e to hold the brackets in any desired positions along the bar, while thethumb screws 185 mounted in the lugs 181 on the brackets serve to lock the screws 178 at any desired height. It will be seen that the adjusting screws 17 8 at the ends oit' the spreader bar are adapted to pull the ends ot the bar downwardly while the re maining screws 178 intermediate the ends ot the bar are adapted to bow the inter# mediate portion ot the bar upwardly. in order to provide for the engagement ot the intermediate screws with the bar to push it upward, the bearing members 186 are swiveled on the ends ot the screws and directly engage the underside of the bar. It will be seen that the adjusting screws 178 can be manipulated to give the spreader bar l() any desired curvature to thereby spread the web and remove any wrinkles or other irregularities therein betere the cutting and rewiniiling operations take place.

lt has been 'found desirable in slitting and rewinding certain materials to provide supplcinental means for cutting any threads that might be lett unsevered by the slitting discs, as well as to guide the strips and prevent them Vfrom overlapping as they pass to the rewound coils. ln ligure 2 oj the drawing one of the separating blades 1ST is shown mounted on a supporting` bar 188 in position to engage the slitted web immediately at'ter it leaves the slitting mechanism. In placing the blades in this location and .in then causing the slitted web to immediately engage and pass around the rewinding roll 2 a very ellicient control of the strips is retained until they pass into place on the rewound coils. 1n Figure 123 oil the drawing the separatingblade is shown in a location where it will engage the webl be tween the rewinding roll 2, which in this case is the cutter roll. and a guiding roll 191 around which the slitted web is diverted to provide a stretch in conjunction with which the separating blades can act. rEhe guiding roll 191 is proilerably removably mounted in bearings 192 provided in the brackets 1.90 for this purpose. ln .Figures 2, 13 and 15 an alternative mounting r'or a series of separating blades is indicated at 18E). Separating blades mounted on this support engage the upper stretch ot web as it passes Yfrom the guiding roll 191 to the rewinding roll 2 as indicated in Figure 15.

Attention is also directed to Figures 2 and 1213 for a showing ot a device lfor diverting the narrow trimming strips that are severed l'rom the edges ot the web, clear o'if the machine. These devices take the form ot shallow sheet. metal guiding members, or troughs, 193 generally 1-shaped in ser` tion, one ot which is so mounted near each side et the machine that they can be moved laterally to positions coincident with the edges o'l the web. Each guiding member 192B is attached to a supporting member 198 slidably mounted on the T-bar 2G and to which it can be clamped in any desired position by means ot the thumb screw 19S). The guiding meini'iers 193 rest at their lower ends on the tie rod 20() in Figure 2 el? the drawing. The receiving.V end ot' each guiding member when in operative position is located closely adjacent the trimming strip cutter so as to receive the trimming strip immediately alter it is severed.

ik preferred Yterm ot driving means tor the machine comprises the gears 90 and 89 which are mounted on the sha'lts ol the rewinding rolls 1 and, 2 and which mesh with a cou'iuio-n driving gear 91 carried on a stud shaft 92. Carried on the same shalt 92 is the gear JI-l which meshes with a gear 9d driven from the main drive pulley 95 which may have power applied to it `om any suitable source.

Preferably a clutch connection is inserted between the, drive pulley and the gear 9-1 which consists of a fly wheel 96 rigidly tion cer-.e with a corraspeni` connected to the y pulley 95. In tire movement h here 9:' and '36, these menu,j if erahlv mai,

hi ch machine by me carries a clutc attacluzd te a a lll-.L adapted to ,es 105 on the innei The ether ent 1055 is previ'f and a inciting can he transmitted i the can member l() to and clu'iicii memher 5 clutch faces 9T and 98 nl;

)l L i ment. A push spring 105) hea a l end ot the stun shaiift 99 and tends to pre T the cup member outwardly and t engage the clutch members.

Provision tor the control et vthe clutch hr the operator is made through t 'feet lever 110 itulcrumed at 111 in the iframe el: the machine to move beth i r call Y und horizentall)v s shown in .Fi 53 und 9 A chain 112 att-ached to the :toet

lever 110 passes ever at its 1e frame. pulley iframe other end to a fixed A pull spring 115 en f Where the chain is t' te more the ca members iid 105 to (dutch (lisengagi. position when the toot lever released. n second sprl b i@ i.n ,serted in the chain en the other side et the s1 ii'( cl;et serves to pretert the parte against a too siulden or toe extensive down ifard more ment ot' the foot lever 110. .A lug 117 shown in Figure 9 on the locking plate 11S serves to hold the toot lever in it )Wermest or clutch engaging position lt will he seen that a movement et' the toot lei'er laterallyY to the right as Shown in Figure 9 et the drawing will release the len lli-om the lug 11T. ln erderthat the lever may he operH ated trom the other side et the machine a g machine com- C e1' suritace ii'ewlnding rolls rewoi.- i coils are supported, rewinuine rolls constituting ther roll operating ierered strips to the nl c s, and means t a higher speed vcoll.

g ing machine coniir ot sural'te :.'ewinding rolls herewouiul coils are supported, one of said rolls constituting a cutter roll.,

means cooperating with tuecutter roll to lng: a

en which t the weh, the path et tra Yel et' the web such that it iirst engages theV cutter means for driving the cutter roll t higher speed than the other rewindlng 3. A slitting and rewinding machine comprising: a pair oit' rolls peripherallyl en- Iaging and supporting the rewoun'd coils, one et said rolls censtituting a cutter roll, means cooperating with the cutter roll t0 slit the We!) inte strips, 'the other roll operating to deflect and eed the severed strips to the peripheries of the rewound coils, and means lo 'ated between the rolls to complete the severance oi the strips,'and means for driving the cutter roll at a higher speed than the other rewindng rell.

1. slitting' and rewinding machine comprising: a pair oi surface rewinding rolls en which the rewound coils are supported, one of said rewinding rolls constituting a cutter roll, means co-operating with said cutter roll to slit the Web, the other roll operating to deflect and feed the severed strips to the peripheries of the rewound coils, and means ior rotating the cutter roll. at a higher periphe 'al speed than the speed of travel of the weh.

5. A slitting and rewinding machine comprising: a pair of surface rewiuding rolls on `which the rewound coils ari supported, one cit said rewiuding rolls constituting a cutter roll, slitting (lisis engaging the periphery ot and driven by the cutter roll to slit the weh, the other roll operating to defleet and ieedthe severed strips to the peripheries of the rewound coils7 and means lier rotating the cutter roll at a higher pcriphera speed than that oit the other roll to cause the slitting discs te rotate at higher speed than the speed ot travel of the weh.

6. slitting and rewinding machine comprising: a pair oit surface rewiudingrells on which the rewound coils are supluorted, one ci? said rewindil'lg rolls constituting a lili) cutter roll. slitting;` dises engaging the periphery oi and driven by the cutter roll to slit the web, the other roll having a greater diameter than the cutter roll and operating to de'lect and feed the severed strips to the peripheries ot the rewound coils, and means 'for rotating the cutter at a higher pe` ripheral speed than the speed of travel of the web.

T. A slitting and rewinding machine comprising: means for Afeeding a web ot material, a cutter roll, and a score cutting dise arranged to peripherally and Vt'rictionally engage the cutter roll to thereby slit the web7 said cutter roll operating to rotate the cutting disc at a peripheral speed exceeding the speed of travel of the web.

S. A slitting and rewindingr machine comprising: means 'for feeding a web oit material. a cutter roll peripherally engaging` the rewonnd coils, and a cutting` dise co-operating with the cutter roll to slit the web, said cutter roll operating to rotate the cut-- ting disc at a peripheral speed exceeding` the speed of travel of the web.

9. A slitting and rewinding machine comprising: means for feeding a web ot material, a cutter roll7 and a Cutting disc peripherally engaging the cutter roll. to slit the web, means for guiding the web to the roll and disc, the relation ot the cutting disc and the cutter roll with reference to the guiding means being such that the web engages the cutting disc, before it reaches the point of eiwagement of the cutting discl with the cutter roll.

10. A slitting and rewinding machine eouiprising: means for feeding a web of material7 a Cutter roll, a cutting disc peripherally engaging the cutter roll to slit the web, means for guiding the web to the roll and disc, the relation ol the cutting disc and the cutter roll with reference to the guiding means being such that the web engages the cutting disc bei'ore it reaches the point ot engagement or' the cutting disc with the cutter roll. and means for driving the cutter roll and cutting disc. at a peripheral speed exceeding the speed ot' travel ol the web.

11. ln a. slitting and rewinding macliiue. a shat't on which the slittcd material is rc wound, a roller in engagement with the upper surface of the rewound slittcd ma,- terial, vertically movable carriages in which the ends ott-he roller are journaled, guide rollers carried by said carriages, and vertical guide posts with which said rollers engage.

.12. In a slitting and rewinding machine, a sha'lt on which the slitted material is re wound, a roller peripherally engaging the upper suri'ace ot the rewound slitted materiah vertically movable carriages in which the ends o'lt the roller are journaled, a pinion carried by each carriage. a stationary rack ttor each pinion, and a slialt rigidly connecting said pinions`r whereby the carriages are maintained at the same lerel relatively to cach other.

13. In a slitting and rcwindiinr machine. a shagt't on which the slittcd material is rcwound, a roller peripherally engaging the upper surface o'l the rewound slitted nia-- terial` means for driving said roller to assist in winding said coils. vertically movable carriages in which the ends ot the roller are journaled, a. pinion carried by each carriage, a stationary rack Jfor each pinion7 and a shaft rigidly connecting said pinions, whereby the carriages are maintained at the same level relatiif'ely to each other.

14. A slitting and rewinding machine comprising: a front rewinding drum, a. back rewinding drum. means ttorr rotating the back rewinding drum at a higher speed tha the front rewinding drum. said drum supporting the rewound coils. means for feed: ing the web to the back rewinding drinn.l a score. cutter engaging the periphery olf and driven by the bach' rewinding drum7 the 'front rewinding drum opcratinr to dellcet and feed the several strips to the rcwound coils.

15. Controlling means for a top pressure roll in winding machines comprising: a yertically displaceable top pressure rollv` vertically extending stationary racks` a pinion sha'tt displaceable with said top pressure roll. pinions. on said pinion sha t't` in engagement with said racks, and l'lcxible connections, controlled trom a lixcd center ot rotation, Ator raising and lowering the top pressure roll and pinion shalt to thereby cause rotation ot the pinions in engagrjcment with the racks.

tligned'at Brooklyn New York in the county ol Kings and State olt New York this 1st day oi December A. D. 19115.

JAMES A. CAMERON, GUSTAF BIRGR BIH-Uil.

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